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Date:   Thu, 22 Sep 2022 15:30:14 +0200
From:   David Sterba <dsterba@suse.cz>
To:     Kees Cook <keescook@chromium.org>
Cc:     Vlastimil Babka <vbabka@suse.cz>, linux-btrfs@vger.kernel.org,
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Subject: Re: [PATCH 04/12] btrfs: send: Proactively round up to kmalloc
 bucket size
Message-ID: <20220922133014.GI32411@suse.cz>
Reply-To: dsterba@suse.cz
References: <20220922031013.2150682-1-keescook@chromium.org>
 <20220922031013.2150682-5-keescook@chromium.org>
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On Wed, Sep 21, 2022 at 08:10:05PM -0700, Kees Cook wrote:
> Instead of discovering the kmalloc bucket size _after_ allocation, round
> up proactively so the allocation is explicitly made for the full size,
> allowing the compiler to correctly reason about the resulting size of
> the buffer through the existing __alloc_size() hint.
> 
> Cc: linux-btrfs@vger.kernel.org
> Signed-off-by: Kees Cook <keescook@chromium.org>

Acked-by: David Sterba <dsterba@suse.com>